NEB Question Browser

Identify a dependent variable in Ohm's law V = IR.

Write the name of the process X and Y in the given concept map.

Y X

Drone bee--------honey bee------------queen bee

The animal development center conducts a camp to fertilize many cows at a time. Which technique would be more appropriate for the organization to adopt? Write any one advantage of that technique.

Although shampoo and detergents are better cleaning agents, they degrade our environment. Suggest one natural alternative to such chemical cleansers.

IVF is a boon for childless couples, why?

Draw a labelled diagram to purify impure copper by electrorefining process.

Write a difference between roasting and calcination.

Write any one measure to conserve rare birds in Nepal.

Which of the following is a natural food preservative?

i. Mixing sodium benzoate

ii. Mixing potassium sorbate

iii. Mixing benzoic acid

iv. Mixing with oil

Which of the following is a soapless soap?

i. Sodium chloride

ii. Alkyl benzene sulphonate

iii. Sodium palmitate

iv. Sodium sulphate

Which of the following is the correct about saturated hydrocarbon?

i. Four bonds between carbon-carbon and general formula

ii. Carbon-carbon has double or triple bond and general formula

iii. Carbon-carbon has a single bond and general formula

iv. Carbon-carbon has a single and double bond and general formula

Which of the following is the source of alternating current?

i. dry cell

ii. solar panel

iii. dynamo

iv. voltaic cell

Which of the following is the characteristics of the image of the object kept in front of the convex lens as shown in the figure?

i. The image is virtual and magnified

ii. The image is virtual, inverted and diminished

iii. The image is real, inverted and diminished

iv. The image is real and magnified

, and are the weights of an object on weighing by a spring balance in air, water and oil, respectively. What is the correct ascending order of given weights?

i.

ii.

iii.

iv.

If a stone is dropped from the top of the tower having height 22.05 m, how long does it take to reach the ground?

i. 1 second

ii. 1.5 second

iii. 2 second

iv. 2.5 second

Which of the following pairs is correct?

i. a-iii, b-i, c-ii

ii. a-ii, b-iii, c-i

iii. a-ii, b-i, c-iii

iv. a-iii, b-ii, c-i

Which of the following is correct about sex determination of embryo?

i. Embryo will develop into a male because of X chromosome.

ii. Embryo will develop into a male because of Y chromosome.

iii. Gender cannot be determined on the basis of X chromosome.

iv. Embryo will develop into a female because of Y chromosome.

Which of the following signals can be coded?

i. Analogue

ii. Baseband

iii. Digital

iv. Broadband

Write two main reasons for the gradual increase in the average temperature of the environment.

Mass of a planet is kg and its radius is 71,000 km, calculate its acceleration due to gravity of the planet.